#include <iostream>
#include <cstring>
#include <algorithm>

using namespace std;

// C = A + B
vector<int> add(vector<int> &A, vector<int> &B)
{
    vector<int> C;
    int t = 0;
    for (int i = 0 ; i < A.size() || i < B.size(); i ++ )
    {
        if(i < A.size()) t += A[i];
        if(i < B.size()) t += B[i];
        C.push_back(t%10);
        t /= 10;
    }
    if(t) C.push_back(t);
    return C;
}

int main()
{
    string a, b;
    vector<int> A , B;
    cin >> a >> b;
    for(int i = a.size()-1 ; i>=0 ; i--) A.push_back(a[i]-'0');
    for(int i = b.size()-1 ; i>=0 ; i--) B.push_back(b[i]-'0');
    auto C = add(A, B);
    for(int i = C.size()-1; i>=0; i--) cout << C[i];
    return 0;
}